const void* FdoRdbmsSQLDataReader::GetGeometry(FdoInt32 index, FdoInt32* len, bool noExcOnInvalid)
{
ValidateIndex(index);
if( ! mHasMoreRows )
throw FdoCommandException::Create(NlsMsgGet(FDORDBMS_62, noMoreRows));
if (mGeomIdx != index)
{
FdoIGeometry* geom = NULL;
bool isSupportedType = false;
bool isNull = false;
mGeomIdx = index;
if (mWkbBuffer)
*mWkbBuffer = 0;
mQueryResult->GetBinaryValue (index+1, sizeof(FdoIGeometry *), (char*)&geom, &isNull, NULL);
if ( !isNull && geom && geom->GetDerivedType() != FdoGeometryType_None )
isSupportedType = true;
if ( !isNull && geom != NULL )
{
if ( isSupportedType )
{
FdoPtr<FdoFgfGeometryFactory> gf = FdoFgfGeometryFactory::GetInstance();
FdoPtr<FdoByteArray> fgf = gf->GetFgf(geom);
if (fgf != NULL && fgf->GetCount() != 0)
{
mWkbGeomLen = fgf->GetCount();
if (mWkbBufferLen < mWkbGeomLen)
{
delete[] mWkbBuffer;
mWkbBufferLen = mWkbGeomLen;
mWkbBuffer = new unsigned char[mWkbGeomLen];
}
memcpy(mWkbBuffer, fgf->GetData(), mWkbGeomLen);
}
else
mWkbGeomLen = 0;
}
else
mWkbGeomLen = -1;
}
else // isNull indicator is not set by dbi_get_val_b for geometry columns
mWkbGeomLen = 0;
}
*len = mWkbGeomLen;
if (*len <= 0)
{
if (noExcOnInvalid)
return NULL;
else if (*len == 0)
throw FdoCommandException::Create(NlsMsgGet1( FDORDBMS_385, "Property '%1$ls' value is NULL; use IsNull method before trying to access the property value", mColList[index].column ));
else
throw FdoCommandException::Create( NlsMsgGet(FDORDBMS_116, "Unsupported geometry type" ) );
}
return mWkbBuffer;
}
FdoByteArray* FdoXmlFeatureReaderImpl::GetGeometry(FdoString* propertyName)
{
FdoPtr<FdoXmlGeometry> geometry = GetCurrentFeatureForRead()->GetGeometricProperty(propertyName);
if(geometry != NULL)
return geometry->GetFgf();
return NULL;
}
FdoByteArray* SpatialContextTest::SerializeExtent( double minX, double minY, double maxX, double maxY )
{
// Create a byte array
FdoPtr<FdoFgfGeometryFactory> gf = FdoFgfGeometryFactory::GetInstance();
FdoPtr<FdoIEnvelope> env = gf->CreateEnvelopeXY(minX, minY, maxX, maxY );
FdoPtr<FdoIGeometry> geom = gf->CreateGeometry(env);
return( gf->GetFgf(geom) );
}
void FdoImportExportTest::AddFeature( FdoIInsert* insertCommand, FdoInt32 idx )
{
FdoPtr<FdoPropertyValueCollection> propertyValues = insertCommand->GetPropertyValues();
FdoPtr<FdoDataValue> dataValue;
FdoPtr<FdoPropertyValue> propertyValue;
FdoPtr<FdoIConnection> connection = insertCommand->GetConnection();
bool supportsZ = (FdoPtr<FdoIGeometryCapabilities>(connection->GetGeometryCapabilities())->GetDimensionalities() & FdoDimensionality_Z);
dataValue = FdoDataValue::Create((FdoInt64) idx);
propertyValue = AddNewProperty( propertyValues, L"Prop1");
propertyValue->SetValue(dataValue);
dataValue = FdoDataValue::Create((FdoString*)FdoStringP::Format(L"Prop2_Val%d",idx));
propertyValue = AddNewProperty( propertyValues, L"Prop2");
propertyValue->SetValue(dataValue);
dataValue = FdoDataValue::Create((FdoString*)FdoStringP::Format(L"SubProp1_Val%d",idx));
propertyValue = AddNewProperty( propertyValues, L"SubProp1");
propertyValue->SetValue(dataValue);
double coordsBuffer[3];
int segCount = 1;
coordsBuffer[0] = 5 * idx;
coordsBuffer[1] = 10 * idx;
coordsBuffer[2] = 0;
propertyValue = AddNewProperty( propertyValues, L"Geometry");
FdoPtr<FdoFgfGeometryFactory> gf = FdoFgfGeometryFactory::GetInstance();
FdoPtr<FdoIPoint> point1;
if ( supportsZ )
point1 = gf->CreatePoint(FdoDimensionality_XY|FdoDimensionality_Z, coordsBuffer);
else
point1 = gf->CreatePoint(FdoDimensionality_XY, coordsBuffer);
FdoPtr<FdoByteArray> byteArray = gf->GetFgf(point1);
FdoPtr<FdoGeometryValue> geometryValue = FdoGeometryValue::Create(byteArray);
propertyValue->SetValue(geometryValue);
FdoPtr<FdoIFeatureReader> reader = insertCommand->Execute();
}
bool FdoXmlFeatureReaderImpl::IsNull(FdoString* propertyName)
{
// implementation of this method is important
FdoXmlFeatureReaderImpl* current = GetCurrentFeatureForRead();
if (current->GetDataProperty(propertyName) != NULL)
return false;
FdoPtr<FdoXmlGeometry> geometry = current->GetGeometricProperty(propertyName);
if (geometry != NULL) {
FdoPtr<FdoByteArray> geomBin = geometry->GetFgf();
if (geomBin != NULL)
return false;
return true;
}
FdoPtr<FdoLOBValue> lobValue = current->GetBLOBProperty(propertyName);
if (lobValue != NULL)
return false;
FdoPtr<FdoXmlFeatureReaderImpl> assoValue = current->GetAssociationProperty(propertyName);
if (assoValue != NULL)
return false;
return true;
}
bool FdoXmlSpatialContextReader::ReadNext()
{
FdoXmlSaxContextP context = FdoXmlSaxContext::Create( mXmlReader );
// Clear out extents for previously read spatial context
mExtent = NULL;
// Re-initialze the read handler so the next spatial context can be read.
mSCHandler->Setup( mXmlFlags );
// Read the next spatial context from XML.
mXmlReader->Parse( this, context, true );
context->ThrowErrors();
if ( mSCHandler->mSCName.GetLength() > 0 ) {
// A spatial context was found. Convert extents to byte array.
FdoPtr<FdoFgfGeometryFactory> gf = FdoFgfGeometryFactory::GetInstance();
FdoPtr<FdoIEnvelope> env = gf->CreateEnvelopeXY(
mSCHandler->mMinX,
mSCHandler->mMinY,
mSCHandler->mMaxX,
mSCHandler->mMaxY
);
FdoPtr<FdoIGeometry> geom = gf->CreateGeometry(env);
mExtent = gf->GetFgf(geom);
mSCHandler->mFirst = false;
return true;
}
else {
// No spatial context found. We're done reading.
return false;
}
}
void FdoSpatialContextTest::InsertFeatures( FdoIConnection* connection )
{
FdoPtr<FdoIInsert> insertCommand;
FdoPtr<FdoPropertyValueCollection> propertyValues;
FdoPtr<FdoDataValue> dataValue;
FdoPtr<FdoPropertyValue> propertyValue;
FdoPtr<FdoIFeatureReader> reader;
insertCommand = (FdoIInsert *) connection->CreateCommand(FdoCommandType_Insert);
insertCommand->SetFeatureClassName(L"ClassB1");
propertyValues = insertCommand->GetPropertyValues();
propertyValue;
double coordsBuffer[4];
int segCount = 2;
FdoPtr<FdoFgfGeometryFactory> gf = FdoFgfGeometryFactory::GetInstance();
coordsBuffer[0] = 2.1;
coordsBuffer[1] = 3.1;
coordsBuffer[2] = 4.1;
coordsBuffer[3] = 5.1;
FdoPtr<FdoILineString> line1 = gf->CreateLineString(FdoDimensionality_XY, segCount*2, coordsBuffer);
FdoPtr<FdoByteArray> byteArray = gf->GetFgf(line1);
FdoPtr<FdoGeometryValue> geometryValue = FdoGeometryValue::Create(byteArray);
propertyValue = FdoPropertyValue::Create(L"Geometry1", geometryValue);
propertyValues->Add(propertyValue);
coordsBuffer[0] += 0.1;
coordsBuffer[1] += 0.1;
coordsBuffer[2] += 0.1;
coordsBuffer[3] += 0.1;
line1 = gf->CreateLineString(FdoDimensionality_XY, segCount*2, coordsBuffer);
byteArray = gf->GetFgf(line1);
geometryValue = FdoGeometryValue::Create(byteArray);
propertyValue = FdoPropertyValue::Create(L"Geometry2", geometryValue);
propertyValues->Add(propertyValue);
coordsBuffer[0] += 0.1;
coordsBuffer[1] += 0.1;
coordsBuffer[2] += 0.1;
coordsBuffer[3] += 0.1;
line1 = gf->CreateLineString(FdoDimensionality_XY, segCount*2, coordsBuffer);
byteArray = gf->GetFgf(line1);
geometryValue = FdoGeometryValue::Create(byteArray);
propertyValue = FdoPropertyValue::Create(L"Geometry3", geometryValue);
propertyValues->Add(propertyValue);
coordsBuffer[0] += 0.1;
coordsBuffer[1] += 0.1;
coordsBuffer[2] += 0.1;
coordsBuffer[3] += 0.1;
line1 = gf->CreateLineString(FdoDimensionality_XY, segCount*2, coordsBuffer);
byteArray = gf->GetFgf(line1);
geometryValue = FdoGeometryValue::Create(byteArray);
propertyValue = FdoPropertyValue::Create(L"Geometry4", geometryValue);
propertyValues->Add(propertyValue);
coordsBuffer[0] += 0.1;
coordsBuffer[1] += 0.1;
coordsBuffer[2] += 0.1;
coordsBuffer[3] += 0.1;
line1 = gf->CreateLineString(FdoDimensionality_XY, segCount*2, coordsBuffer);
byteArray = gf->GetFgf(line1);
geometryValue = FdoGeometryValue::Create(byteArray);
propertyValue = FdoPropertyValue::Create(L"Geometry5", geometryValue);
propertyValues->Add(propertyValue);
reader = insertCommand->Execute();
}
